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jonedyer
Posted : Monday, November 29, 2010 11:17:35 PM
Registered User
Joined: 12/10/2004
Posts: 14
 Need help writing a scan to find (C-XAVGC20) crossing signal line (XAVGC9). 
  THANK YOU!!    jonedyer
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Bruce_L
Posted : Tuesday, November 30, 2010 9:05:38 AM


Worden Trainer

Joined: 10/7/2004
Posts: 65,138
 I'm going to assume "signal line (XAVGC9)" means a 9-Period Exponential Moving Average of (C-XAVGC20) and not an EMA9 of Price since otherwise the lines should rarely even be near each other for most symbols. If so, a formula for C - XAVGC20 crossing up through its own 9-Period EMA could be written as:

11 * C + 8 * XAVGC20 > 19 * XAVGC9 AND 11 * C1 + 8 * XAVGC20.1 <= 19 * XAVGC9.1

A formula for C - XAVGC20 crossing down through its own 9-Period EMA could be written as:

11 * C + 8 * XAVGC20 < 19 * XAVGC9 AND 11 * C1 + 8 * XAVGC20.1 >= 19 * XAVGC9.1

And a formula for C - XAVGC20 crossing through its own 9-Period EMA in either direction could be written as:

SGN(11 * C + 8 * XAVGC20 - 19 * XAVGC9) <> SGN(11 * C1 + 8 * XAVGC20.1 - 19 * XAVGC9.1)

How to create a Personal Criteria Forumula (PCF)
Cascades of Moving Averages
PCF Formula Descriptions
Handy PCF example formulas to help you learn the syntax of PCFs!
-Bruce
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